It is ratios if you are good with these please help

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Write the expression 7x^3-28xy^2 as the product of 3 factors

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52